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13451992 = 236725097
BaseRepresentation
bin110011010100…
…001011011000
3221022102122221
4303110023120
511420430432
61200153424
7222224431
oct63241330
927272587
1013451992
117658754
124608874
132a2cb78
141b02488
1512aab97
hexcd42d8

13451992 has 16 divisors (see below), whose sum is σ = 25599960. Its totient is φ = 6625344.

The previous prime is 13451959. The next prime is 13451993. The reversal of 13451992 is 29915431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12013 + ... + 13084.

Almost surely, 213451992 is an apocalyptic number.

It is an amenable number.

13451992 is a deficient number, since it is larger than the sum of its proper divisors (12147968).

13451992 is a wasteful number, since it uses less digits than its factorization.

13451992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25170 (or 25166 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 13451992 is about 3667.6957343815. The cubic root of 13451992 is about 237.8275708908.

The spelling of 13451992 in words is "thirteen million, four hundred fifty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 67 134 268 536 25097 50194 100388 200776 1681499 3362998 6725996 13451992